On Sun, 2014-04-13 at 17:49 -0400, Larry Bradley wrote:
> Alan:
>=20
>  I just received my MicroStick II. There is not much information with
> it! The paperwork does not even mention that it is powered from the USB
> port!
>=20
> What do you know about the "serial port"  (J6) on the board?

If you take a peek at the schematic, J6 is connected directly to pins 21
and 22 of the micro.  Depending on what chip you have, this can be a lot
of things.  The PIC24 and PIC32 have what they call PPS, or Peripheral
Pin Select and 21 and 22 are among the pins (at least on the
PIC23MX250F128B) which are available for PPS.  So you can use it for an
ordinary serial port, or SPI, or whatever the available peripherals are.
I gather from the website that the stick ships with a number of PICs.  I
mention the PIC32 because that exact part happens to be one I am working
with at the moment.  It is also a pretty darned cool part, if overkill
for 90% of projects!

So, if you want to hook it to your PC, you will need a MAX232 or
similar.  But if you want to talk to the PIC circuit six inches away,
you're in business.

So probably the first step is to download the datasheets for the PICs
supplied with the stick.

--McD


--=20
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